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Three-phase thyristor power regulator

A power regulator and thyristor technology, applied in electrical program control, program control in sequence/logic controllers, etc., can solve problems such as inability to be connected and parallel, high energy consumption of cooling system, unstable control, etc., and achieve response speed. Fast, small size, to achieve the effect of precise temperature control

Inactive Publication Date: 2018-02-23
BEIJING FUANSHI SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing three-phase regulator has certain disadvantages, mainly high temperature, high energy consumption of the cooling system, difficult heat dissipation, poor reliability, poor stability, unstable control, poor applicability, and cannot be paralleled online

Method used

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with embodiment, but is not limited to the content on the description.

[0023] As shown in the figure: Three-phase thyristor power regulator, which includes outer casing 1, copper bar 2, display operation panel 3, circuit board 4, centrifugal fan 5 and control terminal 6, copper bars are welded and installed in the casing 1 2 and the circuit board 4, the middle part of the panel of the casing 1 is screwed and installed with a display operation panel 3, the top side of the panel is provided with an upper terminal 11 and the first installation hole 12, and the bottom side of the panel is provided with a lower The terminal 13, the second mounting hole 14 and the grounding screw 15, the side of the panel is provided with a groove 16, the control terminal 6 is installed in the groove 16, the centrifugal fan 5 is installed at the bottom, and the cooling hole 17 is opened at the top .

[0024] A PLC control...

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PUM

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Abstract

The invention discloses a three-phase thyristor power regulator. The regulator comprises an outer shell, a copper bar, a display operation screen, a circuit board, a centrifugal fan and a control wiring terminal; the copper bar and the circuit board are welded into the shell, the display operation screen is installed in the middle of a panel of the shell, the control wiring terminal is installed on the side face of the panel of the shell, the centrifugal fan is installed at the bottom of the shell, a heat emission hole is formed in the top of the shell, a PLC control module, an RS485 communication module, a display module, a thyristor and a temperature sensor are installed on a substrate of the circuit board, the substrate is connected with the control wiring terminal, the PLC control module is connected with the RS485 communication module, the display module, the thyristor, the temperature sensor and the centrifugal fan separately, the RS485 communication module is connected with thecontrol wiring terminal, the display module is connected with the display operation screen, and the thyristor is connected with the copper bar. The three-phase thyristor power regulator has the advantages of being high in efficiency, free of mechanical noise and abrasion, high in response speed, small in size, low in weight, slow to start, small in impact on a power grid and the like.

Description

technical field [0001] The invention relates to a power control device, in particular to a three-phase thyristor power regulator. Background technique [0002] The power regulator is a panel-mounted power adjustment unit that uses a thyristor (also known as a thyristor) and its trigger control circuit to adjust the load power. Now more is the use of digital circuits to trigger thyristors to achieve voltage regulation and power regulation. The voltage regulation adopts the phase-shifting control method, and the power regulation has two ways: fixed-period power regulation and variable-period power regulation. [0003] The existing three-phase regulators have certain disadvantages, mainly high temperature, high energy consumption of the cooling system, difficult heat dissipation, poor reliability, poor stability, unstable control, poor applicability, and cannot be paralleled online. Contents of the invention [0004] The purpose of the present invention is to provide a thre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/05
Inventor 时志国
Owner BEIJING FUANSHI SCI & TECH
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